Finding the Fourth Proportional to 151,002.60, 208,384.94 and 82,092.21

Step by Step Solution

1. Step 1: Write the proportion equation
   151,002.60 : 208,384.94 = 82,092.21 : x
2. Step 2: Convert to fraction form
   151,002.60/208,384.94 = 82,092.21/x
3. Step 3: Cross multiply
   151,002.60x = 208,384.94 × 82,092.21
4. Step 4: Simplify right side
   151,002.60x = 17,106,780,149.74
5. Step 5: Solve for x
   x = 17,106,780,149.74/151,002.60
6. Step 6: Final answer
   x = 113,287.98